JP2019106523A - インダクター及びその製造方法 - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000012212 insulator Substances 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims description 29
- 239000004020 conductor Substances 0.000 claims description 24
- 239000010409 thin film Substances 0.000 claims description 19
- 238000007747 plating Methods 0.000 claims description 14
- 238000000059 patterning Methods 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 113
- 230000008569 process Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 14
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
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- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 238000007740 vapor deposition Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H01F27/00—Details of transformers or inductances, in general
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- H01F27/2804—Printed windings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
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- H—ELECTRICITY
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- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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- H—ELECTRICITY
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/042—Printed circuit coils by thin film techniques
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/046—Printed circuit coils structurally combined with ferromagnetic material
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- H—ELECTRICITY
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
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- H—ELECTRICITY
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
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- H—ELECTRICITY
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- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
Description
図1は本発明の一例によるインダクターの斜視図であり、図2は図1のI−I'線に沿って切断した断面図である。
以下、上記インダクター100の一製造方法について説明する。後述の製造方法は、インダクター100を製造するための製造方法の一例示にすぎない。
21、22 第1及び第2外部電極
1 本体
21、22 第1及び第2外部電極
11 磁性材料
120 コイル部
121 支持部材
122 絶縁体
123 コイルパターン
Claims (20)
- 貫通孔及びビアホールを含む支持部材と、前記支持部材により支持され、第1開口を含む絶縁体と、前記支持部材により支持され、且つ前記第1開口内に配置され、前記支持部材と接触するシード層を含む複数層で構成されるコイルパターンと、を含む本体と、
前記本体の外部面上に配置される外部電極と、を含むインダクターであって、
前記支持部材は少なくとも第1及び第2絶縁層の積層構造を有し、前記ビアホールは前記第1及び第2絶縁層をともに貫通する、インダクター。 - 前記第2絶縁層は、前記絶縁体の第1開口に対応する形状を有する第2開口を含む、請求項1に記載のインダクター。
- 前記第2絶縁層の開口の幅は、前記絶縁体の第1開口の幅より小さい、請求項2に記載のインダクター。
- 前記シード層は前記第2開口の内部に配置される、請求項2または3に記載のインダクター。
- 前記第1絶縁層の厚さは10μm以上60μm未満の範囲であり、前記第2絶縁層の厚さは5μm以上20μm以下の範囲である、請求項1から4のいずれか一項に記載のインダクター。
- 前記コイルパターンは、前記支持部材の一面に配置される上部コイルパターンと、前記一面と向い合う他面に配置される下部コイルパターンと、を含む、請求項1から5のいずれか一項に記載のインダクター。
- 前記上部コイルパターンと前記下部コイルパターンは、前記ビアホールに充填されたシード層によって互いに電気的に連結される、請求項6に記載のインダクター。
- 前記上部コイルパターンは、下面の幅が上面の幅より狭いT字状の断面形状を有し、前記下部コイルパターンは、長方形の断面形状を有する、請求項6または7に記載のインダクター。
- 前記下部コイルパターンはシード層を含まない、請求項6から8のいずれか一項に記載のインダクター。
- 前記第1絶縁層は、ガラスフィラー、PID樹脂、ABF、またはFR−4である、請求項1から9のいずれか一項に記載のインダクター。
- 前記第2絶縁層はPID樹脂またはABFを含む、請求項1から10のいずれか一項に記載のインダクター。
- 基板を準備する段階と、
前記基板上に第1絶縁体をラミネートする段階と、
前記基板の一部を露出させることで、前記第1絶縁体が第1開口を有するようにパターニングする段階と、
前記第1開口の内部に第1コイルパターンを形成する段階と、
前記第1コイルパターンと前記第1絶縁体上に第1絶縁層をラミネートする段階と、
前記第1絶縁層上に第2絶縁層をラミネートする段階と、
前記第2絶縁層の少なくとも一部を除去することで、前記第1絶縁層が露出するように前記第2絶縁層の少なくとも一部を開口させる段階と、
前記第1及び第2絶縁層上に薄膜導体層を形成する段階と、
前記薄膜導体層の残部をシード層に転換するように、前記薄膜導体層の少なくとも一部を除去する段階と、
前記シード層を埋め込むように第2絶縁体をラミネートする段階と、
前記シード層を露出させることで、前記第2絶縁体が第2開口を有するようにパターニングする段階と、
前記第2開口の内部にめっき層を形成する段階であって、前記シード層及び前記めっき層を含む第2コイルパターンを形成するように前記めっき層を形成する段階と、
前記第1及び第2コイルパターン、ならびにその間に配置される第1及び第2絶縁層を含むコイル部を形成するように前記基板を除去する段階と、
前記コイル部の前記第1及び第2コイルパターンと連結されることができる外部電極を形成する段階と、を含む、インダクターの製造方法。 - 前記基板は、中心コアと、前記中心コアの上面及び下面にコーティングされた導電性物質と、からなる構造を有する、請求項12に記載のインダクターの製造方法。
- 前記基板の導電性物質は中心コアから除去された後、連続して前記コイル部から除去される、請求項13に記載のインダクターの製造方法。
- 前記第2絶縁層の開口の線幅は前記第2絶縁体の開口の線幅に比べて狭い、請求項12から14のいずれか一項に記載のインダクターの製造方法。
- 前記薄膜導体層を前記シード層に転換した後、前記第2絶縁層の上面の少なくとも一部が前記シード層から露出するようにする、請求項13または14に記載のインダクターの製造方法。
- 前記第1開口は前記第2開口に対応する形状を有する、請求項12から16のいずれか一項に記載のインダクターの製造方法。
- 前記第1絶縁体の第1開口内を充填するコイルパターンは、前記基板の導電性物質をベースとして成長する、請求項12から17のいずれか一項に記載のインダクターの製造方法。
- 前記基板の厚さが、前記第1及び第2絶縁層の厚さより厚い、請求項12から18のいずれか一項に記載のインダクターの製造方法。
- 前記第1絶縁層は、ガラスフィラー、PID樹脂、ABF、またはFR−4を含み、前記第2絶縁層はPID樹脂またはABFを含む、請求項12から19のいずれか一項に記載のインダクターの製造方法。
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KR1020170169456A KR102047595B1 (ko) | 2017-12-11 | 2017-12-11 | 인덕터 및 그 제조방법 |
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Cited By (2)
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WO2020246568A1 (ja) | 2019-06-06 | 2020-12-10 | 日本発條株式会社 | 自動設定装置、自動設定方法およびプログラム |
JP2021082662A (ja) * | 2019-11-15 | 2021-05-27 | Tdk株式会社 | コイル部品 |
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KR102064041B1 (ko) | 2017-12-11 | 2020-01-08 | 삼성전기주식회사 | 코일 부품 |
JP7211323B2 (ja) * | 2019-10-08 | 2023-01-24 | 株式会社村田製作所 | インダクタ部品、及びインダクタ部品の製造方法 |
CN110993248B (zh) * | 2019-12-10 | 2021-10-26 | 广东电网有限责任公司 | 一种高温超导线圈及其固化方法 |
KR20220033744A (ko) * | 2020-09-10 | 2022-03-17 | 삼성전기주식회사 | 코일 부품 및 그 실장 기판 |
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US11205538B2 (en) | 2021-12-21 |
US20190180913A1 (en) | 2019-06-13 |
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KR20190069076A (ko) | 2019-06-19 |
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